When administrative agencies regulate, they are legally required to quantify the costs and benefits of their regulations. Yet most agencies struggle at this task. This is in part because a large number of regulations provide benefits that are not traded in markets and cannot be easily priced....

Democratic institutions aggregate preferences poorly. The norm of one-person-one-vote with majority rule treats people fairly by giving everyone an equal chance to influence outcomes, but fails to give proportional weight to people whose interests in a social outcome are stronger than those of...

International organizations use a bewildering variety of voting rules — with different thresholds, weighting systems, veto points, and other rules that distribute influence unequally among participants. We provide a brief survey of the major voting systems, and show that all are controversial...